/// Gheorghies Alexandru
#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
const ll NMAX=1e5+5;

void tc(){
    ll n;
    bool good=1;
    cin>>n;
    for(ll i=1;i<=n;i++){
        ll x; cin>>x;
        if(x%2!=i%2) good=0;
    }
    cout<<(good?"YES":"NO")<<'\n';
}
int main()
{

    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll t; cin>>t; while(t--)
        tc();
    return 0;
}